Pastor David Guzik gave this teaching at one of Calvary Chapel Santa Barbara's services a few months back. In these two chapters of Ephesians, we see what God's way of reconciliation looks like and the revealing of God's mystery.

Here is a link to David Guzik's commentary on Ephesians 2: https://enduringword.com/bible-commentary/ephesians-2/
Here is a link to David Guzik's commentary on Ephesians 3: https://enduringword.com/bible-commentary/ephesians-3/